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參數資料
| 型號： | AK4564 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | 16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP |
| 中文描述： | 16位編解碼器，配有ALC和麥克風/惠普/胰腎聯合移植腺苷 |
| 文件頁數： | 1/48頁 |
| 文件大小： | 382K |
| 代理商： | AK4564 |
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ASAHI KASEI
[AK4564]
MS0140-E-01
2002/07
- 1 -
GENERAL DESCRIPTION
The AK4564 is a 16bit stereo CODEC with a built-in Microphone-Amp, Headphone-Amp and Speaker-Amp.
AK4564 has new recording features, a digital equalizer for microphone inputs and a digital ALC (Automatic
Level Control). The playback features also include LINEOUT-Amp, digital volume, Headphone-Amp and
Speaker-Amp. The AK4564 suits a portable application with a built-in LCD and etc. The AK4564 is housed in a
space-saving 48pin LQFP package.
FEATURE
1. Resolution: 16bits
2. Recording Function:
·
4-Input Selector (Internal MIC, External MIC, LINE x 2)
·
Pre-Amp
·
Digital EQ/HPF/LPF
·
Digital ALC (Automatic Level Control) circuit
·
FADEIN / FADEOUT
·
Digital HPF for offset cancellation (fc=3.7Hz@fs=48kHz)
·
Enable mixing of BEEP signal
3. Playback Function
·
Digital De-emphasis Filter (tc = 50/15
m
s, fs = 32kHz, 44.1kHz and 48kHz)
·
LINEOUT-Amp
·
Digital Volume: 0dB
~
- 65.25dB, Mute
·
Headphone-Amp
- Po: 5.3mW @ 16
W
(AVDD = 2.8V)
·
Speaker-Amp with built-in ALC
- BTL Output
- Po: 80mW @ 8
W
·
Enable mixing of BEEP signal
4. Power Management
5. ADC characteristics (LIN
ADC)
·
S/(N+D): 87dB, DR=S/N: 90dB
6. DAC characteristics (DAC
LINEOUT-Amp)
·
S/(N+D): 82dB, DR=S/N: 88dB
7. Master Clock: 256fs/384fs
8. Sampling Rate: 8kHz
~
50kHz
9. Audio Data Interface Format: MSB-First, 2’s compliment
·
ADC, DAC: 16bit MSB justified, 16bit LSB justified, I
2
S
10. Ta = -20
~
85
°
C
11. Power Supply Voltage
·
CODEC, Speaker-Amp: 2.6
~
3.6V
·
MIC/Headphone/LINEOUT-Amp: 2.6
~
5.5V
12. Power Supply Current
·
All Power On: 30.5mA
13. Package: 48pin LQFP, 0.5mm Pitch
16bit CODEC with built-in ALC and MIC/HP/SPK-Amp
AK4564
相關PDF資料 |
PDF描述 |
|---|---|
| AK4564VQ | 16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP |
| AKD4564 | 16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP |
| AK4565 | LOW POWER 20BIT CODEC WITH BUILT IN ALC |
| AK4565VF | LOW POWER 20BIT CODEC WITH BUILT IN ALC |
| AK4566 | 20bit Stereo CODEC with built-in IPGA & HP-AMP |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AK4564VQ | 制造商:AKM 制造商全稱:AKM 功能描述:16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP |
| AK4565 | 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER 20BIT CODEC WITH BUILT IN ALC |
| AK4565VF | 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER 20BIT CODEC WITH BUILT IN ALC |
| AK4566 | 制造商:AKM 制造商全稱:AKM 功能描述:20bit Stereo CODEC with built-in IPGA & HP-AMP |
| AK4566VN | 制造商:AKM 制造商全稱:AKM 功能描述:20bit Stereo CODEC with built-in IPGA & HP-AMP |
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